[gst-devel] webcam recording

Joshua N Pritikin jpritikin at pobox.com
Tue Jun 17 07:13:03 CEST 2008


On Mon, Jun 16, 2008 at 11:40:25PM +0200, Mark Nauwelaerts wrote:
> - some variations in the capture parameters (??), framerate, size, etc
> (might make hardware happier)

Thanks for your many suggestions.

Even though my camera claims to provide 30 fps, I suspect that it is 
actually providing 10 fps. I made some attempt to measure the frame
rate, but I was unsuccessful:

entrans --progress-fps -- --raw v4l2src queue-size=16 \
  ! video/x-raw-yuv,width=352 ! queue ! dam \
  ! ffmpegcolorspace ! xvimagesink

SystemError: error return without exception set
<<<< Now reached PLAYING state >>>>
SystemError: error return without exception set

I tried many variations on that theme. What is the proper way to 
diagnose such problems?




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